1213310200312 has 64 divisors (see below), whose sum is σ = 2681983480320. Its totient is φ = 503707310208.

The previous prime is 1213310200309. The next prime is 1213310200327. The reversal of 1213310200312 is 2130020133121.

It is a super-2 number, since 2×1213310200312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213310200312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819468 + ... + 1760155.

It is an arithmetic number, because the mean of its divisors is an integer number (41905991880).

Almost surely, 2^{1213310200312} is an apocalyptic number.

It is an amenable number.

1213310200312 is an abundant number, since it is smaller than the sum of its proper divisors (1468673280008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213310200312 is a wasteful number, since it uses less digits than its factorization.

1213310200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579900 (or 2579896 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213310200312 its reverse (2130020133121), we get a palindrome (3343330333433).

The spelling of 1213310200312 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred thousand, three hundred twelve".